Photosynthesis & Cellular Respiration

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  1. Together, respiration and photosynthesis keep the levels of carbon dioxide & oxygen in the atmosphere ______ .

    a. constantly changing
    b. constantly increasing
    c. fairly constant
    d. constantly decreasing
    fairly constant
  2. How are photosynthesis and respiration related?

    a. They both produce oxygen
    b. They have the same equation
    c. They have opposite equations
    d. They both produce carbon dioxide
    They have opposite equations.
  3. The stage of respiration that releases most of the energy in glucose occurs in the ___

    a. nucleus
    b. chloroplast
    c. mitochondria
    d. cytoplasm
  4. What happens during respiration?

    a. oxygen is released into the air
    b. glucose is broken down, releasing energy
    c. water and carbon dioxide are converted into energy
    d. carbohydrates are released into the bloodstream
    Glucose is broken down, releasing energy.
  5. How does photosynthesis benefit heterotrophs?
    a. it creates clean water
    b. it adds carbon dioxide to the air
    c. it creates food that they can eat
    d. it eliminates harmful sugars
    It creates food that they can eat.
  6. What happens during photosythesis?
    a. The cell uses oxygen to make food
    b. the cell uses glucose to make oxygen
    c. the cell uses the energy in sunlight to make food
    d. the cell uses the energy in sunglight to make carbon dioxide
    The cell uses the energy in sunlight to make food.
  7. What are the products of photosynthesis?

    a. carbon dioxide & water
    b. oxygen & water
    c. oxygen & sugars
    d. carbon dioxide and sugars
    oxygen & sugars
  8. Carbon dioxide enter the plant through ___

    a. stomata
    b. chloroplasts
    c. pigments
    d. chlorophyll
  9. What captures energy from sunlight during photosynthesis?

    a. solar cells
    b. stomata
    c. carbohydrates
    d. chlorophyll & other pigments
    chlorophyll & other pigments
  10. What is chemotherapy?

    a. use of drugs to treat disease
    b. use of surgery to treat disease
    c. use of radiation to treat disease
    d. use of drugs to prevent cancer
    use of drugs to treat disease
  11. Scientists think cancer begins when____

    a. cells stop growing
    b. DNA replication stops
    c. a cell divides too slowly
    d. a mutation occurs in DNA
    a mutation occurs in DNA
  12. Cancer is a disease in which cells ____

    a. grow and divide uncontrollably
    b. die before they can mature
    c. stop producing DNA
    d. die during mitosis
    grow and divide uncontrollably
  13. Mitosis is the stage of the cell cycle during which the ___

    a. cell's nucleus divides into 2 new nuclei
    b. cell's DNA is replicated
    c. cell divides into 2 new cells
    d. cell's cytoplasm divides
    the cell's nucleus divides into 2 new nuclei
  14. Under which of the following conditions is lactic-acid fermentation most likely to occur?

    a. playing video games
    b. sleeping
    c. a very fast run
    d. a long walk
    a very fast run
  15. The energy-releasing process that does not require oxygen is called ____

    a. photosynthesis
    b. respiration
    c. fertilization
    d. fermentation
  16. Cells in many-celled organisms ____

    a. all look the same
    b. are often quite different from each other
    c. all have the same structure
    d. are the same size in every part of the organism
    are often quite different from each other
  17. Specialized cells are found only in ___

    a. many-celled organisms
    b. bacteria
    c. single-celled organisms
    d. animals
    many-celled organisms
  18. All organic compounds contain the element ______
    a. nitrogen
    b. carbon
    c. oxygen
    d. water
  19. Small opening called ____ allow carbon dioxide to enter a leaf.

    a. chloroplasts
    b. chlorophyll
    c. stomata
    d. windows
  20. Energy from glucose is released in the process of ______

    a. perspiration
    b. photosynthesis
    c. mutation
    d. respiration
  21. The products of respiration are energy, carbon dioxide, and ________

    a. water
    b. oxygen
    c. sugar
    d. sunlight
  22. When a mutation disturbs the cell cycle, the result can be _______, or uncontrolled cell division.

    a. radiation
    b. cancer
    c. chemotherapy
    d. fermentation
  23. Chloroplasts contain a pigment called _____ that captures the energy in light.

    a. color
    b. chlorophyll
    c. stomata
    d. xylem
  24. A(n) _______ is a group of similar cells that work togehter to perform a specific function.

    a. tissue
    b. organ
    c. organelle
    d. chlorplast
  25. A heterotroph is an organism that cannot _______

    a. mutate
    b. reproduce
    c. make its own food
    d. move
    make its own food
  26. ESSAY QUESTION: Explain the following statement: Photosythesis and respiration are opposite processes.
  27. ESSAY QUESTION: Animals do not make their own food from energy in sunlight. Explain why they still depend on the sun for energy.
  28. ESSAY QUESTION: Contrast mitochondria and chloroplasts.
Card Set
Photosynthesis & Cellular Respiration
Photosynthesis & Cellular Respiration Test Questions
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